# SDR AALA202106189009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2021
- Submitted: June 18, 2021
- Operation: Air carrier
- Aircraft: [N170US](https://openairdocs.org/aircraft/N170US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1462
- Aircraft time: 65,427 hours, 24,807 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator Valve
- Part number: 6774E010000
- Part serial: 03116
- Condition: Faulted
- Location: Eng Pneumatic
- Part time: 43,005 hours, 22,516 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202106189009

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO DESTINATION DEN DUE TO AN ENGINE BLEED ECAM VIA ACARS FOR ENGINE #1 AND #2 BLEED AIR FAULT IN ADDITION TO #2 ENGINE BLEED AIR ABNORMAL PRESSURE FAULT. THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED # ENGINE AND #2 ENGINE PRESSURE REGULATING VALVE PER AMM 36-11-52. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED. (#1 ENGINE REPORTED ON AALA202106189009 AND #2 ENGINE REPORTED ON AALA202106189010)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.